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Tweak the JT65 decoder so that it accepts DT down to -3.3 s.

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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@4225 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor 2014-07-31 17:22:51 +00:00
parent 41a86fd01e
commit 6de67f32b1
1 changed files with 9 additions and 1 deletions
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10
lib/jt65a.f90
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@ -1,10 +1,11 @@
subroutine jt65a(dd,npts,newdat,nutc,nf1,nf2,nfqso,ntol,nagain,ndecoded)
subroutine jt65a(dd0,npts,newdat,nutc,nf1,nf2,nfqso,ntol,nagain,ndecoded)
! Process dd() data to find and decode JT65 signals.
parameter (NSZ=3413)
parameter (NZMAX=60*12000)
parameter (NFFT=8192)
real dd0(NZMAX)
real dd(NZMAX)
real*4 ss(322,NSZ)
real*4 savg(NSZ)
@ -13,6 +14,12 @@ subroutine jt65a(dd,npts,newdat,nutc,nf1,nf2,nfqso,ntol,nagain,ndecoded)
character decoded*22
save
dd=0.
tskip=2.0
nskip=12000*tskip
dd(1+nskip:npts+nskip)=dd0(1:npts)
npts=npts+nskip
if(newdat.ne.0) then
call timer('symsp65 ',0)
call symspec65(dd,npts,ss,nhsym,savg) !Get normalized symbol spectra
@ -68,6 +75,7 @@ subroutine jt65a(dd,npts,newdat,nutc,nf1,nf2,nfqso,ntol,nagain,ndecoded)
nsnr=nint(s2db)
if(nsnr.lt.-30) nsnr=-30
if(nsnr.gt.-1) nsnr=-1
dt=dt-tskip
write(*,1010) nutc,nsnr,dt,nfreq,decoded
1010 format(i4.4,i4,f5.1,i5,1x,'#',1x,a22)
write(13,1012) nutc,nint(sync1),nsnr,dt,float(nfreq),ndrift, &